3868625 has 8 divisors (see below), whose sum is σ = 4828200. Its totient is φ = 3094800.

The previous prime is 3868619. The next prime is 3868649. The reversal of 3868625 is 5268683.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 3845521 = 152^2 + 1961^2 .

It is not a de Polignac number, because 3868625 - 2¹⁰ = 3867601 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15350 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (603525).

Almost surely, 2^3868625 is an apocalyptic number.

It is an amenable number.

3868625 is a deficient number, since it is larger than the sum of its proper divisors (959575).

3868625 is an equidigital number, since it uses as much as digits as its factorization.

3868625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30964 (or 30954 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 3868625 is about 1966.8820503528. The cubic root of 3868625 is about 156.9828507104.

The spelling of 3868625 in words is "three million, eight hundred sixty-eight thousand, six hundred twenty-five".